Batch en parallel worker with multiprocessing.pool

[Hela_Guesmi]

any help please how can i do this process and run batch en parallel with multiprocessing.pool

# This loop needs to be parallelized
for batch_index, batched_payloads in enumerate(frappe.utils.create_batch(payloads, batch_size)):
            for i, payload in enumerate(batched_payloads):
                # Do something
                    continue
                try:
                    doc = self.process_doc(doc)
                    # Do something
                    frappe.db.commit()
                except Exception:
                    frappe.db.rollback()